Abstract

The morphologies of deposited C60 on a copper substrate from a C60-benzene solution were evaluated by using Scanning Electron Microscopy. It was found that the forms of deposited C60 were dependent on the aggregation of C60 in its original solution. During natural vaporization of benzene solution on a copper substrate, independent C60 molecules in the solution assembled into crystal C60 on the substrate, whereas the aggregates of C60 in the solution were remained as amorphous C60 particles on the substrate. However, if spinning was employed during vaporizing solvent, the C60 aggregates were destroyed, leading to the formation of crystal C60. Furthermore, the speed of spinning a substrate can tune the size and shape of deposited C60.

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